Number 1: Spinal Tap - This Is Spinal Tap

Embassy Pictures

The essential tastemakers for both the fake band and the mocumentary, Spinal Tap are the touchstone for every actor who wanted to rock...sort of. Like the unpredictable nature of true rock stars, Michael McKean, Christopher Guest and Harry Shearer's ad-libbing is what makes their shenanigans so entertaining.

The essential tastemakers for both the fake band and the mocumentary, Spinal Tap are the touchstone for every actor who wanted to rock...sort of. Like the unpredictable nature of true rock stars, Michael McKean, Christopher Guest and Harry Shearer's ad-libbing is what makes their shenanigans so entertaining.